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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.137 SNIP: 0.341 CiteScore™: 0.43

ISSN Imprimir: 1093-3611
ISSN En Línea: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v1.i2.100
pages 263-272

MACROSCOPIC MODEL OF ARC ROOTS AND ITS LIMITS

M. Abbaoui
Laboratoire Arc Electrique et Plasmas Thermiques, Université Blaise Pascal, CNRS UMR 6069, 24 avenue des Landais, F63177 Aubiére Cedex, France
A. Lefort
Laboratoire Arc Electrique et Plasmas Thermiques, Université Blaise Pascal, CNRS UMR 6069, 24 avenue des Landais, F63177 Aubiére Cedex, France
H. Salihou
Laboratoire "Arc Electrique et Plasmas Thermiques" - URA 828 CNRS Universite Blaise Pascal - 24, Avenue des Landais F63177AUBIERECedex
J.P. Guillot
Laboratoire "Arc Electrique et Plasmas Thermiques" - URA 828 CNRS Universite Blaise Pascal - 24, Avenue des Landais F63177AUBIERECedex

SINOPSIS

A macroscopic model based on Mackeown's (for the electric field) and Murphy's theories (for electron current density) is used to calculate the characteristic parameters of the arc roots at atmospheric pressure in the whole range of current covering largely the experimental field (0.1 - 8500A). A comparison between some theoretical and experimental electrode parameters is presented.


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